1020122002056 has 32 divisors (see below), whose sum is σ = 2604566816640. Its totient is φ = 332805759168.

The previous prime is 1020122002033. The next prime is 1020122002057. The reversal of 1020122002056 is 6502002210201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1020122002057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452180611 + ... + 452182866.

It is an arithmetic number, because the mean of its divisors is an integer number (81392713020).

Almost surely, 2^{1020122002056} is an apocalyptic number.

It is an amenable number.

1020122002056 is an abundant number, since it is smaller than the sum of its proper divisors (1584444814584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020122002056 is a wasteful number, since it uses less digits than its factorization.

1020122002056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904363533 (or 904363529 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 1020122002056 its reverse (6502002210201), we get a palindrome (7522124212257).

The spelling of 1020122002056 in words is "one trillion, twenty billion, one hundred twenty-two million, two thousand, fifty-six".